xref: /netbsd-src/sys/arch/hpc/stand/hpcboot/arm/arm_boot.cpp (revision 56a34939419542e88b386b2229be7565f4f45461)
1 /*	$NetBSD: arm_boot.cpp,v 1.9 2008/04/28 20:23:20 martin Exp $	*/
2 
3 /*-
4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by UCHIYAMA Yasushi.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <hpcboot.h>
33 
34 #include <arch.h>
35 #include <memory.h>
36 
37 #include <arm/arm_arch.h>
38 #include <arm/arm_sa1100.h>
39 #include <arm/arm_pxa2x0.h>
40 #include <arm/arm_boot.h>
41 #include <arm/arm_console.h>
42 
43 ARMBoot::ARMBoot()
44 {
45 }
46 
47 ARMBoot::~ARMBoot()
48 {
49 	if (_mem)
50 		delete _mem;
51 	if (_arch)
52 		delete _arch;
53 
54 	ARMConsole::Destroy();
55 }
56 
57 BOOL
58 ARMBoot::setup()
59 {
60 	struct HpcMenuInterface::HpcMenuPreferences &pref = HPC_PREFERENCE;
61 
62 	platid_t platid;
63 	platid.dw.dw0 = pref.platid_hi;
64 	platid.dw.dw1 = pref.platid_lo;
65 
66 	if (platid_match(&platid, &platid_mask_CPU_ARM_STRONGARM_SA1100))
67 		args.architecture = ARCHITECTURE_ARM_SA1100;
68 	else if (platid_match(&platid, &platid_mask_CPU_ARM_STRONGARM_SA1110))
69 		args.architecture = ARCHITECTURE_ARM_SA1100;
70 	else if (platid_match(&platid, &platid_mask_CPU_ARM_XSCALE_PXA250))
71 		args.architecture = ARCHITECTURE_ARM_PXA250;
72 	else
73 		return FALSE;
74 
75 	args.memory = MEMORY_MANAGER_LOCKPAGES;
76 
77 	return super::setup();
78 }
79 
80 BOOL
81 ARMBoot::create()
82 {
83 	BOOL(*lock_pages)(LPVOID, DWORD, PDWORD, int);
84 	BOOL(*unlock_pages)(LPVOID, DWORD);
85 
86 	// Architecture dependent ops.
87 	switch (args.architecture) {
88 	default:
89 		DPRINTF((TEXT("Unsupported architecture.\n")));
90 		return FALSE;
91 	case ARCHITECTURE_ARM_SA1100:
92 		_arch = new SA1100Architecture(_cons, _mem);
93 		break;
94 	case ARCHITECTURE_ARM_PXA250:
95 		_arch = new PXA2X0Architecture(_cons, _mem);
96 		break;
97 	}
98 	_arch->setDebug() = args.architectureDebug;
99 
100 	lock_pages = _arch->_load_LockPages();
101 	unlock_pages = _arch->_load_UnlockPages();
102 	if (lock_pages == 0 || unlock_pages == 0) {
103 
104 		DPRINTF((TEXT("couldn't find LockPages/UnlockPages.\n")));
105 		return FALSE;
106 	}
107 
108 	// Memory manager.
109 	switch(args.memory)
110 	{
111 	default:
112 	case MEMORY_MANAGER_VIRTUALCOPY:
113 		// FALLTHROUGH
114 	case MEMORY_MANAGER_SOFTMMU:
115 		// FALLTHROUGH
116 	case MEMORY_MANAGER_HARDMMU:
117 		DPRINTF((TEXT("unsupported memory address detection method.\n")));
118 		return FALSE;
119 	case MEMORY_MANAGER_LOCKPAGES:
120 		_mem = new MemoryManager_LockPages(lock_pages, unlock_pages,
121 		    _cons, 4096);
122 		break;
123 	}
124 	_mem->setDebug() = args.memorymanagerDebug;
125 
126 	// Console
127 	if (args.console == CONSOLE_SERIAL) {
128 		_cons = ARMConsole::Instance(_mem, args.architecture);
129 		if (_cons == NULL || !_cons->init()) {
130 			_cons = Console::Instance();
131 			DPRINTF((TEXT("use LCD console instead.\n")));
132 		}
133 	} else {
134 		_cons = Console::Instance();
135 	}
136 
137 	// File Manager, Loader
138 	return super::create();
139 }
140